Question Regarding the Distributed Capacitance of a Winding

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SUMMARY

The discussion centers on the behavior of distributed capacitance in windings when subjected to a moving magnetic field. It establishes that a winding with a regular capacitor connected to both terminals can charge and produce a magnetic field when voltage is induced. Conversely, in an open circuit scenario, the induced voltage does not charge the distributed capacitance unless the winding leads are shorted, emphasizing that energy storage requires work, defined as voltage times current.

PREREQUISITES
  • Understanding of electromagnetic induction principles
  • Knowledge of distributed capacitance in electrical windings
  • Familiarity with circuit theory, particularly open and closed circuits
  • Basic concepts of energy storage in capacitors
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  • Research the principles of electromagnetic induction and its effects on windings
  • Explore the concept of distributed capacitance in electrical engineering
  • Study the differences between open and closed circuit behaviors
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Electrical engineers, students of electromagnetic theory, and professionals working with inductive components and circuit design will benefit from this discussion.

Denni
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First, take the case of a winding with a regular capacitor connected to both terminals of the winding. When a moving magnetic field induces a voltage therein, the cap becomes charged and a current flows in the conductor while cap is charging, producing a magnetic field.
Next, take the case of a winding with the ends not connected, an open circuit. When a moving magnetic field induces a voltage in the open winding, will this induced voltage result in the charging of the distributed capacitance within the winding, or must the winding leads be shorted (closed circuit) in order to charge the distributed capacitance?
 
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Think about it for a couple minutes.
 
Bystander said:
Think about it for a couple minutes.
Thanks for the inspiration Bystander. Even though distributed capacitance is spread out over the entire winding it still must be regarded the same as a discrete cap in that to store energy into the cap work must still be done which means voltage times current.
 

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